Advice & Service: This unbreakable metal piggy bank has sealed 6 sides and only 1 slot. You'll need a hammer, handsaw, and other tools to open it. So please open it only when the target is completed, or in emergency situations. PLEASE REMEMBER, To this adult piggy bank must break to open, OPEN EQUAL TO DESTROY. Feel free to contact us if you have any questions, we will respond within 24h. Ideal Gift: You can send this unopenable piggy bank to your lover, make a saving plan for both of you and implement it together. You can send this stainless steel piggy bank to your baby girl or baby boy as a birthday or holiday gift. You can send it to teens, teach them how to deposit money for their dreams. Create Your Own Custom Bank: Our freebies include 2 stickers (letters and numbers), and 4 round anti-slip mats. Sticking the mats onto 4 corners at the bottom side can effectively prevent the savings bank for adults from shaking and clattering. You're welcome to use the stickers to paste up something special on this stainless steel piggy bank, such as your name, favorite words, or a special date. Hard to Take Money out: It can feel hard to persevere in saving money, but this ONLY IN NO OUT metal Piggy Bank will make it easier. All 6 surfaces are welded with stainless steel plates, with only one money slot. It makes sure you save money because you can't easily take money out. Ideal for long-term saving plans. Safe & Sturdy: The 5.9-inch safe adult piggy bank is made of high-quality stainless steel, which not only makes it anti-corrosion, and anti-rust, but also sturdy enough to guard your money well. It can store about 4,000 coins or 700 paper money at full capacity.